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https://issues.apache.org/jira/browse/HIVE-16543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15985974#comment-15985974
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Pengcheng Xiong commented on HIVE-16543:
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[~appodictic], w.r.t. "annoying derby /stat database folders everywhere.", i
guess you mean the jdbc based stats collection mechanism. However, it is
already removed long time ago. Please refer to
{code}
commit 6addead433c3ec8cac88b1608a2577ff546342e2
Author: Ashutosh Chauhan <[email protected]>
Date: Tue Oct 13 17:20:49 2015 -0700
HIVE-12164 : Remove jdbc stats collection mechanism (Ashutosh Chauhan via
Pengcheng Xiong)
Signed-off-by: Ashutosh Chauhan <[email protected]>
{code}
AFAIK, file system based one is the only one that is available now.
> Deprecate HIVESTATSAUTOGATHER
> -----------------------------
>
> Key: HIVE-16543
> URL: https://issues.apache.org/jira/browse/HIVE-16543
> Project: Hive
> Issue Type: Sub-task
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Attachments: HIVE-16543.01.patch
>
>
> The overhead for auto collecting table stats is quite low. We can deprecate
> this configuration and treat it always as true.
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